utils calculateHappiness.ts

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100% Branches 2/2

100% Functions 2/2

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  import { PadgRandomAssignResult, Group } from "server/types/assignmentTypes";
 
export const calculateHappiness = (
  assignResults: PadgRandomAssignResult[],
  groups: Group[],
): number => {
  let happiness = 0;
 
  for (const assignResult of assignResults) {
    const groupIndex = groups.findIndex(
      (group) => group.id === assignResult.id,
    );
    let index = groups[groupIndex].pref.indexOf(assignResult.assignment);
    index = index + 1;
    if (index > 0) {
      happiness = happiness + 1 / index;
    }
  }
 
  return Math.round(((happiness / groups.length) * 10000) / 100);
};